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Finding the Fourth Proportional to 75,382.53, 104,020.52 and 43,550.74

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Solution

The fourth proportional to 75,382.53, 104,020.52 and 43,550.74 is: 60,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,382.53 : 104,020.52 = 43,550.74 : x
  2. Step 2: Convert to fraction form
    75,382.53/104,020.52 = 43,550.74/x
  3. Step 3: Cross multiply
    75,382.53x = 104,020.52 × 43,550.74
  4. Step 4: Simplify right side
    75,382.53x = 4,530,170,403.43
  5. Step 5: Solve for x
    x = 4,530,170,403.43/75,382.53
  6. Step 6: Final answer
    x = 60,095.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.